Grounding Contacts

Grounding contacts are surface mountable internal connectors used for circuit grounding (a return path for electric current) of SMT (surface mount technology) devices.

How do grounding contacts work?

Grounding contacts work by providing an electrical connection while also providing protection from static and EMI (electromagnetic interference) noise between a PCB (printed circuit board) and other electronic components, such as speakers, internal antennas, shield cams or secondary PCBs.

Grounding contacts come in a broad array of styles, sizes and heights, to ensure efficient EMI protection and contact. When mounted in a row, they can be used as an RFI (radio-frequency interference) shielding connection for cabinet enclosures and metal boxes. They are designed to maintain positive contact with the mating surface and allow for both sliding and wiping action.

Applications of grounding contacts

Grounding contacts are used in virtually every small PCB application. Some of the typical applications include:

  • MP3 players
  • Smartphones
  • GPS units
  • Tablets
  • PCs and laptops
  • Automotive
  • Industrial equipment
  • eReaders
  • Home electronic devices
  • Video and digital cameras

...
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Description Price Material Series Current Rating Fixing Method Contact Plating Contact Resistance Dimensions Height Length Width
RS Stock No. 173-0830
Mfr. Part No.S1741-46R
BrandHARWIN
$0.177
Each (On a Reel of 2500)
units
Phosphor Bronze EZ-BoardWare 6A Surface Mount Tin over Nickel - 5.4 x 3.1 x 2.5mm 2.5mm 5.4mm 3.1mm
RS Stock No. 788-4802
Mfr. Part No.S1741-46R
BrandHARWIN
$0.539
Each (In a Pack of 10)
units
Phosphor Bronze EZ-BoardWare 6A Surface Mount Tin over Nickel - 5.4 x 3.1 x 2.5mm 2.5mm 5.4mm 3.1mm
RS Stock No. 788-4861
Mfr. Part No.S7121-42R
BrandHARWIN
$0.477
Each (In a Pack of 10)
units
Titanium Copper Alloy EZ-BoardWare 4A Surface Mount Gold - 2.7 x 1.5 x 1.7mm 1.7mm 2.7mm 1.5mm
RS Stock No. 173-0837
Mfr. Part No.S7121-42R
BrandHARWIN
$0.162
Each (On a Reel of 5000)
units
Titanium Copper Alloy EZ-BoardWare 4A Surface Mount Gold - 2.7 x 1.5 x 1.7mm 1.7mm 2.7mm 1.5mm
RS Stock No. 788-4880
Mfr. Part No.S7081-42R
BrandHARWIN
$0.602
Each (In a Pack of 10)
units
- - - - - - - - - -
RS Stock No. 173-0875
Mfr. Part No.S0971-46R
BrandHARWIN
$0.207
Each (On a Reel of 5000)
units
Stainless Steel - - Surface Mount - 100mΩ 5.92 x 1.1 x 2.1mm 2.1mm 5.92mm 1.1mm
RS Stock No. 173-0857
Mfr. Part No.S7081-42R
BrandHARWIN
$0.193
Each (On a Reel of 2500)
units
- - - - - - - - - -
RS Stock No. 788-4795
Mfr. Part No.S1711-46R
BrandHARWIN
$0.458
Each (In a Pack of 10)
units
Beryllium Copper S - Surface Mount Tin 20mΩ 8.79 x 2.28 x 3.85mm 3.85mm 8.79mm 2.28mm
RS Stock No. 173-0867
Mfr. Part No.S1721-46R
BrandHARWIN
$0.233
Each (On a Reel of 5000)
units
Beryllium Copper S - Surface Mount Tin 40mΩ 5.08 x 1.07 x 2.23mm 2.23mm 5.08mm 1.07mm
RS Stock No. 909-4473
Mfr. Part No.S0971-46R
BrandHARWIN
$0.522
Each (In a Pack of 10)
units
Stainless Steel - - Surface Mount - 100mΩ 5.92 x 1.1 x 2.1mm 2.1mm 5.92mm 1.1mm
RS Stock No. 788-4805
Mfr. Part No.S1721-46R
BrandHARWIN
$0.522
Each (In a Pack of 10)
units
Beryllium Copper S - Surface Mount Tin 40mΩ 5.08 x 1.07 x 2.23mm 2.23mm 5.08mm 1.07mm
RS Stock No. 173-0845
Mfr. Part No.S1711-46R
BrandHARWIN
$0.182
Each (On a Reel of 1900)
units
Beryllium Copper S - Surface Mount Tin 20mΩ 8.79 x 2.28 x 3.85mm 3.85mm 8.79mm 2.28mm
RS Stock No. 788-4824
Mfr. Part No.S2711-46R
BrandHARWIN
$0.244
Each (In a Pack of 10)
units
Nickel Copper Alloy S - Surface Mount Tin 20mΩ 8.79 x 2.28 x 3.85mm 3.85mm 8.79mm 2.28mm
RS Stock No. 788-4852
Mfr. Part No.S1951-46R
BrandHARWIN
$0.635
Each (In a Pack of 10)
units
Beryllium Copper EZ-BoardWare 7A Surface Mount Tin over Nickel - 9.59 x 5.7 x 7.25mm 7.25mm 9.59mm 5.7mm
RS Stock No. 788-4811
Mfr. Part No.S1761-42R
BrandHARWIN
$0.611
Each (In a Pack of 10)
units
Titanium Copper Alloy EZ-BoardWare 4A Surface Mount Gold - 4.5 x 2.5 x 3.5mm 3.5mm 4.5mm 2.5mm
RS Stock No. 122-3522
Mfr. Part No.S7271-45R
BrandHARWIN
$0.595
Each (On a Tape of 10)
units
Titanium Copper Alloy EZ-BoardWare 1A Surface Mount Gold 50mΩ 3.5 x 1.5 x 2mm 2mm 3.5mm 1.5mm
RS Stock No. 788-4820
Mfr. Part No.S1751-46R
BrandHARWIN
$0.424
Each (In a Pack of 10)
units
Brass - - Surface Mount - - 3.25 x 2 x 1.65mm 2mm 3.25mm 1.65mm
RS Stock No. 788-4858
Mfr. Part No.S1941-46R
BrandHARWIN
$0.68
Each (In a Pack of 10)
units
Beryllium Copper EZ-BoardWare 9A Surface Mount Tin over Nickel - 9.59 x 5.7 x 7.25mm 7.25mm 9.59mm 5.7mm
RS Stock No. 173-0849
Mfr. Part No.S7231-45R
BrandHARWIN
$0.17
Each (On a Reel of 10000)
units
Titanium Copper Alloy EZ-BoardWare 1A Surface Mount Gold 50mΩ 2.5 x 1 x 1.28mm 1.28mm 2.5mm 1mm
RS Stock No. 122-3520
Mfr. Part No.S7251-45R
BrandHARWIN
$0.474
Each (On a Tape of 10)
units
Titanium Copper Alloy EZ-BoardWare 1A Surface Mount Gold 50mΩ 3 x 1.5 x 1.5mm 1.5mm 3mm 1.5mm